Files
Phraseanet/lib/classes/base.class.php
2011-02-16 16:09:48 +01:00

607 lines
15 KiB
PHP

<?php
abstract class base
{
var $schema = false;
var $conn = false;
var $dbname = false;
var $passwd = false;
var $user = false;
var $port = false;
var $host = false;
var $type = false;
function init_conn()
{
require dirname( __FILE__ ) . '/../../config/connexion.inc';
$this->conn = mysql_connect($hostname.":".$port, $user, $password, true);
mysql_set_charset('utf8',$this->conn);
mysql_query("SET character_set_results = 'utf8', character_set_client = 'utf8', character_set_connection = 'utf8', character_set_database = 'utf8', character_set_server = 'utf8'", $this->conn);
if($this->conn !== false)
return true;
return false;
}
function __destruct()
{
}
function load_schema($schema_type)
{
$this->schema = false;
$structure = simplexml_load_file(dirname(__FILE__)."/../../lib/conf.d/bases_structure.xml");
if($structure !== false)
{
if($schema_type === 'application_box')
$this->schema = $structure->appbox;
if($schema_type === 'data_box')
$this->schema = $structure->databox;
}
return $this->schema !== false ? true : false ;
}
function createDb($dbname)
{
if($this->schema)
{
$sql = 'CREATE DATABASE `'.mysql_real_escape_string($dbname,$this->conn).'` CHARACTER SET utf8 COLLATE utf8_unicode_ci';
if(mysql_query($sql,$this->conn) || mysql_select_db($dbname,$this->conn))
{
mysql_select_db($dbname,$this->conn);
foreach($this->schema->tables->table as $table)
{
$this->createTable($table);
}
$this->dbname = $dbname;
if(defined('GV_version'))
$this->setVersion(GV_version);
return true;
}
else
return false;
}
return false;
}
private function createTable($table)
{
$field_stmt = $defaults_stmt = array();
$create_stmt = "CREATE TABLE `".mysql_real_escape_string($table['name'],$this->conn)."` (";
foreach($table->fields->field as $field){
$isnull=trim($field->null)==""?"NOT NULL":"NULL";
if(trim($field->default) != "" && trim($field->default)!="CURRENT_TIMESTAMP")
$is_default = " default '".$field->default."'";
elseif(trim($field->default)=="CURRENT_TIMESTAMP")
$is_default = " default ".$field->default;
else
$is_default = '';
$character_set = '';
if(in_array(strtolower((string)$field->type),array('text','longtext','mediumtext','tinytext')) || substr(strtolower((string)$field->type), 0, 7) == 'varchar' || in_array(substr(strtolower((string)$field->type), 0, 4), array('char','enum')))
{
$collation = trim((string)$field->collation) != '' ? trim((string)$field->collation) : 'utf8_unicode_ci';
$code = array_pop(array_reverse(explode('_',$collation)));
$character_set = ' CHARACTER SET '.$code.' COLLATE ' . $collation ;
}
$field_stmt[] = " `".mysql_real_escape_string($field->name,$this->conn)."` ".$field->type." ".$field->extra." ".$character_set." ".$is_default." ".$isnull."";
}
if($table->indexes){
foreach($table->indexes->index as $index){
switch($index->type){
case "PRIMARY":{
$primary_fields = array();
foreach($index->fields->field as $field){
$primary_fields[] = "`".mysql_real_escape_string($field,$this->conn)."`";
}
$field_stmt[] = 'PRIMARY KEY ('.implode(',' , $primary_fields).')';
};break;
case "UNIQUE":{
$unique_fields = array();
foreach($index->fields->field as $field){
$unique_fields[] = "`".mysql_real_escape_string($field,$this->conn)."`";
}
$field_stmt[] = 'UNIQUE KEY `'.mysql_real_escape_string($index->name,$this->conn).'` ('.implode(',',$unique_fields).')';
};break;
case "INDEX":{
$index_fields = array();
foreach($index->fields->field as $field){
$index_fields[] = "`".mysql_real_escape_string($field,$this->conn)."`";
}
$field_stmt[] = 'KEY `'.mysql_real_escape_string($index->name,$this->conn).'` ('.implode(',',$index_fields).')';
};break;
}
}
}
if($table->defaults){
foreach($table->defaults->default as $default)
{
$k = $v = array();
foreach($default->data as $data)
{
$k[] = mysql_real_escape_string($data['key'],$this->conn);
if($k === 'usr_password')
$data = hash('sha256',$data);
$v[] = mysql_real_escape_string(trim(str_replace(array("\r\n","\r","\n","\t"),'',$data)),$this->conn);
}
$k = implode(',',$k);
$v = str_ireplace(array('"NOW()"','"null"'),array('NOW()','null'),'"'.implode('","',$v).'"');
$defaults_stmt[] = 'INSERT INTO '.mysql_real_escape_string($table['name'],$this->conn).' ('.$k.') VALUES ('.$v.') ';
}
}
$engine = mb_strtolower(trim($table->engine));
$engine = in_array($engine,array('innodb','myisam')) ? $engine : 'innodb';
$create_stmt .= implode(',' , $field_stmt);
$create_stmt .= ") ENGINE=".$engine." CHARACTER SET utf8 COLLATE utf8_unicode_ci;";
mysql_query($create_stmt,$this->conn);
foreach($defaults_stmt as $def)
{
mysql_query($def,$this->conn);
}
}
private function upgradeTable($table)
{
$correct_table = array('fields'=>array(), 'indexes'=>array(), 'collation'=>array());
$alter = $alter_pre = array();
if($table)
{
foreach($table->fields->field as $field)
{
$expr = trim((string)$field->type);
$_extra = trim((string)$field->extra);
if($_extra)
$expr .= ' ' . $_extra;
$collation = trim((string)$field->collation) != '' ? trim((string)$field->collation) : 'utf8_unicode_ci';
if(in_array(strtolower((string)$field->type),array('text','longtext','mediumtext','tinytext')) || substr(strtolower((string)$field->type), 0, 7) == 'varchar' || in_array(substr(strtolower((string)$field->type), 0, 4), array('char','enum')))
{
$code = array_pop(array_reverse(explode('_',$collation)));
$collation = ' CHARACTER SET '.$code.' COLLATE ' . $collation ;
$correct_table['collation'][trim((string)$field->name)] = $collation ;
$expr .= $collation;
}
$_null = mb_strtolower(trim((string)$field->null));
if(!$_null || $_null=='no')
$expr .= ' NOT NULL';
$_default = (string)$field->default;
if($_default && $_default != 'CURRENT_TIMESTAMP')
$expr .= ' DEFAULT \'' . $_default . '\'';
elseif($_default == 'CURRENT_TIMESTAMP')
$expr .= ' DEFAULT ' . $_default . '';
$correct_table['fields'][trim((string)$field->name)] = $expr;
}
if($table->indexes)
{
foreach($table->indexes->index as $index)
{
$i_name = (string)$index->name;
$expr = array();
foreach($index->fields->field as $field)
$expr[] = '`'.trim((string)$field).'`';
$expr = implode(', ',$expr);
switch((string)$index->type)
{
case "PRIMARY":
$correct_table['indexes']['PRIMARY'] = 'PRIMARY KEY (' . $expr . ')';
break;
case "UNIQUE":
$correct_table['indexes'][$i_name] = 'UNIQUE KEY `' . $i_name . '` (' . $expr . ')';
break;
case "INDEX":
$correct_table['indexes'][$i_name] = 'KEY `' . $i_name . '` (' . $expr . ')';
break;
}
}
}
$sql = "SHOW FULL FIELDS FROM `".$table['name']."`";
if($rs2 = mysql_query($sql,$this->conn))
{
while( $row2 = mysql_fetch_assoc($rs2) )
{
$f_name = $row2['Field'];
$expr_found = trim($row2['Type']);
$_extra = $row2['Extra'];
if($_extra)
$expr_found .= ' ' . $_extra;
$_collation = $row2['Collation'];
$current_collation = '';
if($_collation)
{
$_collation = explode('_',$row2['Collation']);
$expr_found .= $current_collation = ' CHARACTER SET ' . $_collation[0] . ' COLLATE ' . implode('_', $_collation);
}
$_null = mb_strtolower(trim($row2['Null']));
if(!$_null || $_null=='no')
$expr_found .= ' NOT NULL';
$_default = $row2['Default'];
if($_default)
{
if(trim($row2['Type'])=='timestamp' && $_default=='CURRENT_TIMESTAMP')
$expr_found .= ' DEFAULT CURRENT_TIMESTAMP';
else
$expr_found .= ' DEFAULT \'' . $_default . '\'';
}
if(isset($correct_table['fields'][$f_name]))
{
if(isset($correct_table['collation'][$f_name]) && $correct_table['collation'][$f_name] != $current_collation)
{
$old_type = mb_strtolower(trim($row2['Type']));
$new_type = false;
switch($old_type)
{
case 'text':
$new_type = 'blob';
break;
case 'longtext':
$new_type = 'longblob';
break;
case 'mediumtext':
$new_type = 'mediumblob';
break;
case 'tinytext':
$new_type = 'tinyblob';
break;
default:
if(substr($old_type, 0, 4) == 'char')
$new_type = 'varbinary(255)';
if(substr($old_type, 0, 7) == 'varchar')
$new_type = 'varbinary(767)';
break;
}
if($new_type)
{
$alter_pre[] = "ALTER TABLE `".$table['name']."` CHANGE `$f_name` `$f_name` ".$new_type."";
}
}
if(strtolower($expr_found) !== strtolower($correct_table['fields'][$f_name]))
{
$alter[] = "ALTER TABLE `".$table['name']."` CHANGE `$f_name` `$f_name` " . $correct_table['fields'][$f_name] ;
}
unset($correct_table['fields'][$f_name]);
}
// else
// {
// $alter[] = "ALTER TABLE `".$table['name']."` DROP `$f_name`";
// }
}
foreach($correct_table['fields'] as $f_name=>$expr)
{
$alter[] = "ALTER TABLE `".$table['name']."` ADD `$f_name` " . $correct_table['fields'][$f_name];
}
mysql_free_result($rs2);
}
$tIndex = array();
$sql = "SHOW INDEXES FROM `".$table['name']."`";
if($rs2 = mysql_query($sql,$this->conn))
{
while( $row2 = mysql_fetch_assoc($rs2) )
{
if(!isset($tIndex[$row2['Key_name']]))
$tIndex[$row2['Key_name']] = array('unique'=>((int)($row2['Non_unique'])==0), 'columns'=>array());
$tIndex[$row2['Key_name']]['columns'][(int)($row2['Seq_in_index'])] = $row2['Column_name'];
}
mysql_free_result($rs2);
foreach($tIndex as $kIndex=>$vIndex)
{
$strColumns = array();
foreach($vIndex['columns'] as $column)
$strColumns[] = '`'.$column.'`';
$strColumns = '('.implode(', ',$strColumns).')';
if($kIndex=='PRIMARY')
$expr_found = 'PRIMARY KEY '.$strColumns;
else
{
if($vIndex['unique'])
$expr_found = 'UNIQUE KEY `' . $kIndex . '` ' .$strColumns;
else
$expr_found = 'KEY `' . $kIndex . '` ' .$strColumns;
}
$full_name_index = ($kIndex=='PRIMARY') ? 'PRIMARY KEY' : ('INDEX `'.$kIndex.'`');
if( isset($correct_table['indexes'][$kIndex]) )
{
if(mb_strtolower($expr_found) !== mb_strtolower($correct_table['indexes'][$kIndex]))
{
$alter[] = 'ALTER TABLE `'.$table['name'].'` DROP ' . $full_name_index . ', ADD ' . $correct_table['indexes'][$kIndex];
}
unset($correct_table['indexes'][$kIndex]);
}
// else
// $alter[] = 'ALTER TABLE `'.$table['name'].'` DROP ' . $full_name_index;
}
}
foreach($correct_table['indexes'] as $kIndex=>$expr)
$alter[] = 'ALTER TABLE `'.$table['name'].'` ADD ' . $expr;
}
$return = true;
foreach($alter_pre as $a)
{
if(!mysql_query($a, $this->conn))
$return = false;
}
foreach($alter as $a)
{
if(!mysql_query($a, $this->conn))
{
if(GV_debug)
{
echo $a,' -- ',mysql_error($this->conn),'<br/>';
}
$return = false;
}
}
return $return;
}
function upgradeDb()
{
require_once dirname( __FILE__ ) . '/../version.inc';
if($this->schema && $this->dbname)
{
$allTables = array();
foreach($this->schema->tables->table as $table)
$allTables[(string)$table['name']] = $table;
$sql = "SHOW TABLE STATUS";
if($rs = mysql_query($sql,$this->conn))
{
while( $row = mysql_fetch_assoc($rs) )
{
$tname = $row["Name"];
if(isset($allTables[$tname]))
{
$engine = strtolower(trim($allTables[$tname]->engine));
$ref_engine = strtolower($row['Engine']);
if($engine != $ref_engine && in_array($engine,array('innodb','myisam')))
{
$sql = 'ALTER TABLE `'.$tname.'` ENGINE = '.$engine;
mysql_query($sql,$this->conn);
}
self::upgradeTable($allTables[$tname]);
unset($allTables[$tname]);
}
}
mysql_free_result($rs);
}
foreach($allTables as $tname=>$table)
{
$this->createTable($table);
}
}
$current_version = self::getVersion();
if(self::apply_patches($current_version,GV_version))
self::setVersion(GV_version);
return true;
}
function apply_patches($from,$to)
{
if(version_compare($from,$to,'='))
return true;
$list_patches = array();
$iterator = new DirectoryIterator(GV_RootPath.'lib/classes/patch/');
foreach ($iterator as $fileinfo)
{
if (!$fileinfo->isDot())
{
if(substr($fileinfo->getFilename(),0,1) == '.')
continue;
$classname = 'patch_'.array_pop(array_reverse(explode('.',$fileinfo->getFilename())));
$patch = new $classname();
if(!in_array($this->type, $patch->concern()))
continue;
if(!version_compare($patch->get_release(), $from, '>') || !version_compare($patch->get_release(), $to, '<='))
{
continue;
}
$list_patches[$patch->get_release()][] = $patch;
}
}
ksort($list_patches);
$success = true;
foreach($list_patches as $v=>$patches)
{
foreach($patches as $patch)
{
if(!$patch->apply($this->id))
$success = false;
}
}
return $success;
}
function upgradeAvalaible()
{
if($this->type == 'application_box')
$sql = 'SELECT version FROM sitepreff';
if($this->type == 'data_box')
$sql = 'SELECT value AS version FROM pref WHERE prop="version" LIMIT 1;';
if($sql !== '')
{
if($rs = mysql_query($sql,$this->conn))
{
if($row = mysql_fetch_assoc($rs))
$version = $row['version'];
}
}
if(isset($version))
return version_compare(GV_version,$version,'>');
else
return true;
}
private function setVersion($version)
{
$sql = '';
if($this->type == 'application_box')
$sql = 'UPDATE sitepreff SET version = "'.$version.'"';
if($this->type == 'data_box')
{
$sql = 'DELETE FROM pref WHERE prop="version" AND locale IS NULL';
mysql_query($sql,$this->conn);
$sql = 'REPLACE INTO pref (id, prop, value,locale, updated_on) VALUES (null, "version", "'.$version.'","", NOW())';
}
if($sql !== '')
{
if(mysql_query($sql,$this->conn))
return true;
}
return false;
}
public function getVersion()
{
$sql = '';
if($this->type == 'application_box')
$sql = 'SELECT version FROM sitepreff';
if($this->type == 'data_box')
{
$sql = 'DELETE FROM pref WHERE prop="version" AND locale IS NULL';
mysql_query($sql,$this->conn);
$sql = 'SELECT value AS version FROM pref WHERE prop="version" LIMIT 1;';
}
if($sql !== '')
{
if($rs = mysql_query($sql,$this->conn))
{
if($row = mysql_fetch_assoc($rs))
{
return $row['version'];
}
}
}
return '0.0.0';
}
}